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)

Mixed Bases for Efficient Inversion in mathbb F((22)2) and Conversion Matrices of SubBytes of AES. - Yasuyuki Nogami; Kenta Nekado; Tetsumi Toyota; Naoto Hongo; Yoshitaka Morikawa (CHES, 2010)

Efficient Squaring Algorithm in 2-nd Tower Field Available for Various Pairing-Based Cryptographies. - Kenta Nekado; Tatsuya Yuasa; Yasuyuki Nogami; Yoshitaka Morikawa (NBiS, 2010)

Cyclic Vector Multiplication Algorithm and Existence Probability of Gauss Period Normal Basis. - Kenta Nekado; Yasuyuki Nogami; Hidehiro Kato; Yoshitaka Morikawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Mixed Bases for Efficient Inversion in F((22)2)2 and Conversion Matrices of SubBytes of AES. - Yasuyuki Nogami; Kenta Nekado; Tetsumi Toyota; Naoto Hongo; Yoshitaka Morikawa (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2011)

Very Short Critical Path Implementation of AES with Direct Logic Gates. - Kenta Nekado; Yasuyuki Nogami; Kengo Iokibe (IWSEC, 2012)

Finding a Basis Conversion Matrix Using a Polynomial Basis Derived by a Small Multiplicative Cyclic Group. - Yasuyuki Nogami; Hidehiro Kato; Kenta Nekado; Satoshi Uehara; Yoshitaka Morikawa (IEEE Trans. Inf. Theory, 2012)