Masayuki Yoshino Katsuyuki Okeya Camille Vuillaume Bipartite modular multiplication with twice the bit-length of multipliers. 13-23 2009 8 Int. J. Inf. Sec. 1 http://dx.doi.org/10.1007/s10207-008-0060-3 db/journals/ijisec/ijisec8.html#YoshinoOV09