Sébastien Canard Aline Gouget Jacques Traoré Improvement of Efficiency in (Unconditional) Anonymous Transferable E-Cash. 202-214 2008 Financial Cryptography http://dx.doi.org/10.1007/978-3-540-85230-8_19 conf/fc/2008 db/conf/fc/fc2008.html#CanardGT08