@misc{diao2022black,
  title={Black-box Prompt Learning for Pre-trained Language Models},
  author={Shizhe Diao and Xuechun Li and Yong Lin and Zhichao Huang and Tong Zhang},
  year={2022},
  eprint={2201.08531},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2201.08531}
}