@misc{cryptoeprint:2011:034,
    author = {Niek J. Bouman and Serge Fehr},
    title = {Secure Authentication from a Weak Key, Without Leaking Information},
    howpublished = {Cryptology ePrint Archive, Report 2011/034},
    year = {2011},
    url = {http://eprint.iacr.org/2011/034},
}