On the generating functions for certain classes of plane partitions. - Souichi Okada (J. Comb. Theory A, 1989)

Implementation of Elliptic Curve Cryptographic Coprocessor over GF(2m) on an FPGA. - Souichi Okada; Naoya Torii; Kouichi Itoh; Masahiko Takenaka (CHES, 2000)