%&LaTeX
\documentclass{article}

\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{textcomp}

\begin{document}

\begin{thebibliography}{1}

\bibitem{3646} Ajian Liu, Chenxu Zhao, Zitong Yu, Anyang Su, Xing Liu, Zijian Kong, et al. (2021). 3D High-Fidelity Mask Face Presentation Attack Detection Challenge. In \textit{IEEE/CVF International Conference on Computer Vision Workshops} (pp. 814--823).

\end{thebibliography}

\end{document}

