If an Elliptic Curve is of the form E:y^2=x^3+ax+b then how do we convert this Legendre Form y^2=x(x-1)(x-L)? 



Convert Weiestrass Form to Legendre Form
<http://qchu.wordpress.com/2010/03/12/fractional-linear-transformations-and-elliptic-curves/>


