Marco Bodrato Towards Optimal Toom-Cook Multiplication for Univariate and Multivariate Polynomials in Characteristic 2 and 0. 116-133 2007 conf/waifi/2007 WAIFI http://dx.doi.org/10.1007/978-3-540-73074-3_10 db/conf/waifi/waifi2007.html#Bodrato07