According to the Ray Wenderlich tutorial, I done the following :
Step 1 - I downloaded CorePlot_1.4.zip o
If you don't want to go through the process of downloading and building the project, I built the universal library (for armv7, armv7s and arm64) and put it up here.
This is built from coreplot commit id cc0a18cef8915f4a11e0699e9429c0a2f0018b42.