@misc{cryptoeprint:2011:335,
    author = {István Vajda},
    title = {New look at impossibility result on Dolev-Yao models with hashes },
    howpublished = {Cryptology ePrint Archive, Report 2011/335},
    year = {2011},
    url = {http://eprint.iacr.org/2011/335},
}