@misc{cryptoeprint:2006:433,
    author = {Reihaneh Safavi-Naini and Peter Wild},
    title = {Information Theoretic Bounds on  Authentication Systems in Query Model},
    howpublished = {Cryptology ePrint Archive, Report 2006/433},
    year = {2006},
    url = {http://eprint.iacr.org/2006/433},
}