A note on the x-coordinate of points on an elliptic curve in characteristic two.

Nigel P. Smart A note on the x-coordinate of points on an elliptic curve in characteristic two. 261-263 2001 80 Inf. Process. Lett. 5 db/journals/ipl/ipl80.html#Smart01 https://doi.org/10.1016/S0020-0190(01)00169-7