@misc{cryptoeprint:2014:558,
    author = {Xiaofeng Wang, Chen Xu, Guo Li, Hanling Lin and Weijian Wang},
    title = {Double shielded Public Key Cryptosystems},
    howpublished = {Cryptology ePrint Archive, Report 2014/558},
    year = {2014},
    url = {https://eprint.iacr.org/2014/558},
}