@misc{li2023privacy,
  title={Privacy-Preserving Prompt Tuning for Large Language Model Services},
  author={Yansong Li and Zhixing Tan and Yang Liu},
  year={2023},
  eprint={2305.06212},
  archivePrefix={arXiv},
  primaryClass={cs.CL},
  url={https://arxiv.org/abs/2305.06212}
}