@misc{cryptoeprint:2012:250,
    author = {Xu An Wang and Xiaoyuan Yang},
    title = {New Identity Based Encryption And Its Proxy Re-encryption},
    howpublished = {Cryptology ePrint Archive, Report 2012/250},
    year = {2012},
    url = {http://eprint.iacr.org/2012/250},
}