Mathieu Ciet Marc Joye Kristin Lauter Peter L. Montgomery Trading Inversions for Multiplications in Elliptic Curve Cryptography. 189-206 2006 39 Des. Codes Cryptography 2 http://dx.doi.org/10.1007/s10623-005-3299-y db/journals/dcc/dcc39.html#CietJLM06