@misc{cryptoeprint:2012:271,
    author = {Zhiwei Wang, Guozi Sun and Danwei Chen },
    title = {Homomorphic Signature for Identity Authentication in Cloud Computing},
    howpublished = {Cryptology ePrint Archive, Report 2012/271},
    year = {2012},
    url = {http://eprint.iacr.org/2012/271},
}