@misc{cryptoeprint:2009:081,
    author = {Cong Wang and Qian Wang and Kui Ren and Wenjing Lou},
    title = {Ensuring Data Storage Security in Cloud Computing},
    howpublished = {Cryptology ePrint Archive, Report 2009/081},
    year = {2009},
    url = {http://eprint.iacr.org/2009/081},
}