%% You should probably cite draft-ietf-kitten-krb-auth-indicator instead of this I-D.
@techreport{jain-kitten-krb-auth-indicator-01,
    number =    {draft-jain-kitten-krb-auth-indicator-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-jain-kitten-krb-auth-indicator/01/},
    author =    {Anupam Jain and Nathan Kinder and Nathaniel McCallum},
    title =     {{Authentication Indicator in Kerberos tickets}},
    pagetotal = 5,
    year =      2014,
    month =     aug,
    day =       28,
    abstract =  {This document proposes an extension in the Kerberos protocol. It defines a new Authorization Data Type AUTHENTICATION-INDICATOR. The purpose of introducing this data type is to include an indicator of the client's authentication strength in the service tickets so that the application services can use it as an input into policy decisions.},
}