@misc{cryptoeprint:2010:242,
    author = {Yang ZHANG  and  Jun-Liang CHEN},
    title = {Efficient Access Control of Sensitive Data Service in Outsourcing Scenarios},
    howpublished = {Cryptology ePrint Archive, Report 2010/242},
    year = {2010},
    url = {http://eprint.iacr.org/2010/242},
}