This is the right time of year to look for such a pattern; all the Costume patterns are in stock at your local Joann's, Hancocks, etc. fabric stores.

Here's a few to look at:
At Simplicity,

http://www.simplicity.com/

search for 5734, 5840, 9887.

Some direct links:

http://www.mccallpattern.com/item/M4698.htm?tab=costumes&page=4

Very "Lord of the Rings":

http://store.sewingtoday.com/cgi-bin/butterick/shop.cgi?s.item.B4377=x&TI=10013&page=4

http://www.folkwear.com/207.html

Also, take a look at the book:
Elizabethan Costuming for the Years 1550 - 1580
by Janet Winter and Caroyln Savoy

Have fun!

CMC

Here is a link that might be useful: Online pattern for

Folkwear patterns makes some authentic terrific cloaks