@misc{cryptoeprint:2011:169,
    author = {Hongwei Li, Yuanshun Dai, Bo Yang},
    title = {Identity-Based Cryptography for Cloud Security},
    howpublished = {Cryptology ePrint Archive, Report 2011/169},
    year = {2011},
    url = {http://eprint.iacr.org/2011/169},
}