@misc{cryptoeprint:2020:528,
    author = {Joseph K. Liu and Man Ho Au and Tsz Hon Yuen and Cong Zuo and Jiawei Wang and Amin Sakzad and Xiapu Luo and Li Li},
    title = {Privacy-Preserving COVID-19 Contact Tracing App: A Zero-Knowledge Proof Approach},
    howpublished = {Cryptology ePrint Archive, Report 2020/528},
    year = {2020},
    url = {https://eprint.iacr.org/2020/528},
}