I need a vCard field to display a QR Code. I decided to use Computed Field+Mobile Cordes. The vCard should be build using the the fields of the node whose vCard I want to create: node title, field_email, field_telephone, field_address.

The vCard schema should be:

BEGIN:VCARD
VERSION:2.1
ORG:Bubba Gump Shrimp Co.
TEL;WORK;VOICE:(111) 555-1212
ADR;WORK:;;100 Waters Edge;Baytown;LA;30314;United States of America
LABEL;WORK;ENCODING=QUOTED-PRINTABLE:100 Waters Edge=0D=0ABaytown, LA 30314=0D=0AUnited States of America
EMAIL;PREF;INTERNET:forrestgump@example.com
REV:20080424T195243Z
END:VCARD

I'm not much into the PHP thing... How could I build such a computed field?

Thanks in advace for your help!