Masanobu Katagi Toru Akishita Izuru Kitamura Tsuyoshi Takagi Efficient Hyperelliptic Curve Cryptosystems Using Theta Divisors. 151-160 2006 89-A IEICE Transactions 1 http://dx.doi.org/10.1093/ietfec/e89-a.1.151 db/journals/ieicet/ieicet89a.html#KatagiAKT06