An Efficient and Secure RFID Security Method with Ownership Transfer. - Kyosuke Osaka; Tsuyoshi Takagi; Kenichi Yamazaki; Osamu Takahashi (CIS, 2006)

A Secure RFID Protocol based on Insubvertible Encryption Using Guardian Proxy. - Kyosuke Osaka; Shuang Chang; Tsuyoshi Takagi; Kenichi Yamazaki; Osamu Takahashi (ARES, 2008)