%% You should probably cite draft-ietf-jose-json-web-encryption instead of this I-D.
@techreport{jones-json-web-encryption-02,
    number =    {draft-jones-json-web-encryption-02},
    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-encryption/02/},
    author =    {Eric Rescorla and Michael B. Jones and Joe Hildebrand},
    title =     {{JSON Web Encryption (JWE)}},
    pagetotal = 24,
    year =      2011,
    month =     dec,
    day =       14,
    abstract =  {JSON Web Encryption (JWE) is a means of representing encrypted content using JSON data structures. Related signature capabilities are described in the separate JSON Web Signature (JWS) specification.},
}