M. Anwar Hasan Christophe Nègre Subquadratic Space Complexity Multiplication over Binary Fields with Dickson Polynomial Representation. 88-102 2008 WAIFI http://dx.doi.org/10.1007/978-3-540-69499-1_8 conf/waifi/2008 db/conf/waifi/waifi2008.html#HasanN08