%% You should probably cite rfc7762 instead of this I-D.
@techreport{west-webappsec-csp-reg-04,
    number =    {draft-west-webappsec-csp-reg-04},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-west-webappsec-csp-reg/04/},
    author =    {Mike West},
    title =     {{Initial Assignment for the Content Security Policy Directives Registry}},
    pagetotal = 5,
    year =      2015,
    month =     nov,
    day =       20,
    abstract =  {This document establishes an Internet Assigned Number Authority (IANA) registry for Content Security Policy directives and populates that registry with the directives defined in the Content Security Policy Level 2 specification.},
}