Toshiya Nakajima Tetsuya Izu Tsuyoshi Takagi Reduction Optimal Trinomials for Efficient Software Implementation of the eta<sub>T</sub> Pairing. 44-57 2007 conf/iwsec/2007 IWSEC http://dx.doi.org/10.1007/978-3-540-75651-4_4 db/conf/iwsec/iwsec2007.html#NakajimaIT07