%% You should probably cite draft-ietf-privacypass-http-api instead of this I-D.
@techreport{svaldez-pp-http-api-01,
    number =    {draft-svaldez-pp-http-api-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-svaldez-pp-http-api/01/},
    author =    {Steven Valdez},
    title =     {{Privacy Pass: HTTP API}},
    pagetotal = 12,
    year =      2020,
    month =     jul,
    day =       13,
    abstract =  {This document specifies an integration for Privacy Pass over an HTTP API, along with recommendations on how key commitments are stored and accessed by HTTP-based consumers.},
}