%% You should probably cite draft-ietf-httpbis-encryption-encoding instead of this I-D.
@techreport{thomson-http-encryption-00,
    number =    {draft-thomson-http-encryption-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-thomson-http-encryption/00/},
    author =    {Martin Thomson},
    title =     {{Encrypted Content-Encoding for HTTP}},
    pagetotal = 17,
    year =      2015,
    month =     may,
    day =       11,
    abstract =  {This memo introduces a content-coding for HTTP that allows message payloads to be encrypted.},
}