@misc{cryptoeprint:2010:042, author = {Qingfeng Cheng and Chuangui Ma and Fushan Wei}, title = {A modified eCK model with stronger security for tripartite authenticated key exchange}, howpublished = {Cryptology ePrint Archive, Report 2010/042}, year = {2010}, url = {http://eprint.iacr.org/2010/042}, }