@misc{cryptoeprint:2011:692,
    author = {Cheng Chen and Zhenfeng Zhang and Dengguo Feng},
    title = {Fully Secure (Doubly-)Spatial Encryption under Simpler Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2011/692},
    year = {2011},
    url = {http://eprint.iacr.org/2011/692},
}