%% You should probably cite rfc6858 instead of this I-D.
@techreport{ietf-eai-simpledowngrade-07,
    number =    {draft-ietf-eai-simpledowngrade-07},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-eai-simpledowngrade/07/},
    author =    {Arnt Gulbrandsen},
    title =     {{Simplified POP and IMAP Downgrading for Internationalized Email}},
    pagetotal = 6,
    year =      2012,
    month =     aug,
    day =       14,
    abstract =  {This document specifies a method for IMAP and POP servers to serve internationalized messages to conventional clients. The specification is simple, easy to implement, and provides only rudimentary results.},
}