%% You should probably cite draft-ietf-jose-json-web-key instead of this I-D.
@techreport{jones-json-web-key-03,
    number =    {draft-jones-json-web-key-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-jones-json-web-key/03/},
    author =    {Michael B. Jones},
    title =     {{JSON Web Key (JWK)}},
    pagetotal = 9,
    year =      2011,
    month =     dec,
    day =       14,
    abstract =  {A JSON Web Key (JWK) is a JSON data structure that represents a set of public keys.},
}