@misc{cryptoeprint:2005:151,
    author = {Yusuke Naito and Yu Sasaki and Noboru Kunihiro and  Kazuo Ohta},
    title = {Improved Collision Attack on MD4},
    howpublished = {Cryptology ePrint Archive, Report 2005/151},
    year = {2005},
    url = {http://eprint.iacr.org/2005/151},
}