Cite the InsightFace library as the software reference and the ArcFace paper as the algorithmic reference. Do not cite a paper specifically named "w600k-r50" – that is just a model filename.
WebFace260M: A Benchmark Unveiling the Power of Million-Scale Deep Face Recognition Authors: Zheng Zhu, Guan Huang, Jiankang Deng, et al. Venue: CVPR 2021 w600k-r50.onnx
Note: The w600k is a subset of WebFace260M (600k identities / 600 images each). If you use w600k-r50.onnx directly from the InsightFace model zoo, cite the InsightFace library : Cite the InsightFace library as the software reference