@misc{cryptoeprint:2011:451,
    author = {Hakhyun Kim, Woongryul Jeon, Yunho Lee and Dongho Won},
    title = {Cryptanalysis and improvement of a biometrics-based multi-server authentication with key agreement scheme},
    howpublished = {Cryptology ePrint Archive, Report 2011/451},
    year = {2011},
    url = {http://eprint.iacr.org/2011/451},
}