%% You should probably cite draft-ietf-dprive-edns0-padding instead of this I-D.
@techreport{mayrhofer-edns0-padding-01,
    number =    {draft-mayrhofer-edns0-padding-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-mayrhofer-edns0-padding/01/},
    author =    {Alexander Mayrhofer},
    title =     {{The EDNS(0) Padding Option}},
    pagetotal = 5,
    year =      2015,
    month =     aug,
    day =       14,
    abstract =  {This document specifies the EDNS(0) 'Padding' option, which allows DNS clients and servers to pad request and response messages by a variable number of octets.},
}