@misc{cryptoeprint:2007:277,
    author = {Praveen Gauravaram and John Kelsey},
    title = {Cryptanalysis of a class of cryptographic hash functions},
    howpublished = {Cryptology ePrint Archive, Report 2007/277},
    year = {2007},
    url = {http://eprint.iacr.org/2007/277},
}