Erik Dahmen Katsuyuki Okeya Daniel Schepers Affine Precomputation with Sole Inversion in Elliptic Curve Cryptography. 245-258 2007 conf/acisp/2007 ACISP http://dx.doi.org/10.1007/978-3-540-73458-1_19 db/conf/acisp/acisp2007.html#DahmenOS07