@misc{cryptoeprint:2010:431,
    author = {Jing Liu and Bo Yang},
    title = {Homomorphic One-Way Function Trees and Application in Collusion-Free Multicast Key Distribution},
    howpublished = {Cryptology ePrint Archive, Report 2010/431},
    year = {2010},
    url = {http://eprint.iacr.org/2010/431},
}