Martin has suggested in previous keysignings not to print the list.
If you have a laptop/tablet/phone you could convert the list (after
checking the hash) into a html file with a form.
Joey Hess did just that. Please have a look at his program and
instructions available at:
http://lists.debconf.org/lurker/message/20140821.071738.a6aa8691.en.html
http://lists.debconf.org/lurker/message/20140824.033904.d828143b.en.html