@misc{cryptoeprint:2018:327,
    author = {Zhengjun Cao and  Lihua Liu},
    title = {A Note On Groth-Ostrovsky-Sahai Non-Interactive  Zero-Knowledge Proof System},
    howpublished = {Cryptology ePrint Archive, Report 2018/327},
    year = {2018},
    url = {https://eprint.iacr.org/2018/327},
}