@misc{cryptoeprint:2015:820,
    author = {Junqing Gong and Jie Chen and Xiaolei Dong and Zhenfu Cao and Shaohua Tang},
    title = {Extended Nested Dual System Groups, Revisited},
    howpublished = {Cryptology ePrint Archive, Report 2015/820},
    year = {2015},
    url = {https://eprint.iacr.org/2015/820},
}