just play those notes repeated to the beat. it's rather easy with a little variation.
Tuning:Standard (B)EADG
Version 1
1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 & 1 & 2 & 3 & 4 &
G|----------------|----------------|----------------|----------------|--------|
D|----------------|----------------|----------------|----------------|--------|
A|--5-------------|-2--------------|-5--------------|-2--------------|------2-|
E|----------------|----------------|----------------|----------------|-3------|