Skew Frobenius Map and Efficient Scalar Multiplication for Pairing-Based Cryptography. - Yumi Sakemi; Yasuyuki Nogami; Katsuyuki Okeya; Hidehiro Katou; Yoshitaka Morikawa (CANS, 2008)

Integer Variable chi-Based Ate Pairing. - Yasuyuki Nogami; Masataka Akane; Yumi Sakemi; Hidehiro Katou; Yoshitaka Morikawa (Pairing, 2008)

Accelerating Twisted Ate Pairing with Frobenius Map, Small Scalar Multiplication, and Multi-pairing. - Yumi Sakemi; Shoichi Takeuchi; Yasuyuki Nogami; Yoshitaka Morikawa (ICISC, 2009)

Cross twisted Xate pairing with Barreto-Naehrig curve for multi-pairing technique. - Yumi Sakemi; Yoshitaka Morikawa; Yasuyuki Nogami; Hidehiro Kato (ISIT, 2009)

Integer Variable chi-Based Cross Twisted Ate Pairing and Its Optimization for Barreto-Naehrig Curve. - Yasuyuki Nogami; Yumi Sakemi; Hidehiro Kato; Masataka Akane; Yoshitaka Morikawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Scalar Multiplication Using Frobenius Expansion over Twisted Elliptic Curve for Ate Pairing Based Cryptography. - Yasuyuki Nogami; Yumi Sakemi; Takumi Okimoto; Kenta Nekado; Masataka Akane; Yoshitaka Morikawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2009)

Accelerating Cross Twisted Ate Pairing with Ordinary Pairing Friendly Curve of Composite Order That Has Two Large Prime Factors. - Yumi Sakemi; Kazushi Nishii; Tetsuya Izuta; Yasuyuki Nogami; Yoshitaka Morikawa (NBiS, 2010)

Two Improvements of Twisted Ate Pairing with Barreto-Naehrig Curve by Dividing Miller's Algorithm. - Yumi Sakemi; Hidehiro Kato; Shoichi Takeuchi; Yasuyuki Nogami; Yoshitaka Morikawa (Adv. Inf. Sci. Serv. Sci., 2010)

Detailed Cost Estimation of CNTW Attack against EMV Signature Scheme. - Tetsuya Izu; Yoshitaka Morikawa; Yasuyuki Nogami; Yumi Sakemi; Masahiko Takenaka (Financial Cryptography Workshops, 2011)

Solving a DLP with Auxiliary Input with the ρ-Algorithm. - Yumi Sakemi; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (WISA, 2011)

Solving DLP with Auxiliary Input over an Elliptic Curve Used in TinyTate Library. - Yumi Sakemi; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (WISTP, 2011)

Detailed Cost Estimation of CNTW Forgery Attack against EMV Signature Scheme. - Tetsuya Izu; Yumi Sakemi; Masahiko Takenaka (IEICE Trans. Inf. Syst., 2011)

An Improvement of Twisted Ate Pairing Efficient for Multi-Pairing and Thread Computing. - Yumi Sakemi; Yasuyuki Nogami; Shoichi Takeuchi; Yoshitaka Morikawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Solving a Discrete Logarithm Problem with Auxiliary Input on a 160-Bit Elliptic Curve. - Yumi Sakemi; Goichiro Hanaoka; Tetsuya Izu; Masahiko Takenaka; Masaya Yasuda (Public Key Cryptography, 2012)

Faster Scalar Multiplication for Elliptic Curve Cryptosystems. - Yumi Sakemi; Tetsuya Izu; Masaaki Shirase (NBiS, 2013)

A Spoofing Attack against a Cancelable Biometric Authentication Scheme. - Tetsuya Izu; Yumi Sakemi; Masahiko Takenaka; Naoya Torii (AINA, 2014)

Privacy-Preserving Technology for Secure Utilization of Sensor Data (Extended Abstract). - Tetsuya Izu; Takao Ogura; Yumi Sakemi; Masahiko Takenaka; Hiroshi Tsuda (IMIS, 2014)

SPIKE: Scalable Peer Intermediaries for Key Establishment in Sensor Networks. - Yumi Sakemi; Masahiko Takenaka; Tetsuya Izu (NBiS, 2015)

Secure and Long-Lived Wireless Sensor Network for Data Center Monitoring. - Toyokazu Akiyama; Morito Matsuoka; Kazuhiro Matsuda; Yumi Sakemi; Hisashi Kojima (COMPSAC (2), 2018)